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//
// This file is part of Easylogging++ samples
//
// Demonstration on possible usage of pre-rollout handler
//
// Revision: 1.1
// @author mkhan3189
//
#include "easylogging++.h"
INITIALIZE_EASYLOGGINGPP
static unsigned int idx;
void rolloutHandler(const char* filename, std::size_t size) {
// SHOULD NOT LOG ANYTHING HERE BECAUSE LOG FILE IS CLOSED!
std::cout << "************** Rolling out [" << filename << "] because it reached [" << size << " bytes]" << std::endl;
// BACK IT UP
std::stringstream ss;
ss << "mv " << filename << " bin/log-backup-" << ++idx;
system(ss.str().c_str());
}
int main(int, char**) {
idx = 0;
el::Loggers::addFlag(el::LoggingFlag::StrictLogFileSizeCheck);
el::Loggers::reconfigureAllLoggers(el::ConfigurationType::Filename, "/tmp/logs/max-size.log");
el::Loggers::reconfigureAllLoggers(el::ConfigurationType::MaxLogFileSize, "100");
el::Helpers::installPreRollOutCallback(rolloutHandler);
for (int i = 0; i < 100; ++i)
LOG(INFO) << "Test";
el::Helpers::uninstallPreRollOutCallback();
return 0;
}
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